/*
 * The MIT License
 *
 * Copyright 2014 David Rodenas Pico.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package edu.uoc.sd.fr14.exp;

import edu.uoc.sd.fr14.Configuration;
import edu.uoc.sd.fr14.exp.Experiment.ResultCollector;
import edu.uoc.sd.fr14.mesg.TargetId;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.Set;

/**
 *
 * @author drodenas
 */
public class ExperimentFactory {
    
    public static Experiment create(Set<TargetId> mes, Configuration config, ResultCollector resultCollector) {
        if (mes == null) throw new NullPointerException("Illegal argument: mes cannot be null");
        if (config == null) throw new NullPointerException("Illegal argument: config cannot be null");
        
        Class<Experiment> experimentClass = config.experimentClass();
        
        try {
            Constructor<Experiment> constructor = experimentClass.getConstructor(Set.class, Configuration.class, ResultCollector.class);
            Experiment experiment = constructor.newInstance(mes, config, resultCollector);
            if (!(experiment instanceof Experiment)) {
                throw new IllegalStateException("Illegal configuration: experimentClass '"+experimentClass+"' must inherit from AbstractServer");
            }
            return experiment;
        } catch (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
            throw new IllegalStateException("Illegal configuration: experimentClass '"+experimentClass+"' cannot be instantiated", ex);
        }
        
    }
}
